This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
The Element.prepend() method inserts a set of Node objects or strings before the first child of the Element. Strings are inserted as equivalent Text nodes.
prepend(param1) prepend(param1, param2) prepend(param1, param2, /* …, */ paramN)
param1, …, paramNA set of Node objects or strings to insert.
None (undefined).
HierarchyRequestError DOMException
Thrown when the node cannot be inserted at the specified point in the hierarchy.
let div = document.createElement("div");
let p = document.createElement("p");
let span = document.createElement("span");
div.append(p);
div.prepend(span);
console.log(div.childNodes); // NodeList [ <span>, <p> ]
let div = document.createElement("div");
div.append("Some text");
div.prepend("Headline: ");
console.log(div.textContent); // "Headline: Some text"
let div = document.createElement("div");
let p = document.createElement("p");
div.prepend("Some text", p);
console.log(div.childNodes); // NodeList [ #text "Some text", <p> ]
The prepend() method is not scoped into the with statement. See Symbol.unscopables for more information.
let div = document.createElement("div");
with (div) {
prepend("foo");
}
// ReferenceError: prepend is not defined
| Specification |
|---|
| DOM> # ref-for-dom-parentnode-prepend①> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
prepend |
54 | 17 | 49 | 41 | 10 | 54 | 49 | 41 | 10 | 6.0 | 54 | 10 |
Element.append()Node.appendChild()Node.insertBefore()Element.before()Element.insertAdjacentElement()NodeList
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https://developer.mozilla.org/en-US/docs/Web/API/Element/prepend